問題詳情

44. A disk with a rotational inertia of  5.0 k.gm2 rotates around its central axis while undergoing a torque given by

.The disk’s angular momentum is2.5kg m 2/sat timet =1.0 s. What is the disk’s angular momentum att = 2.0 s?
(A)


(B)


(C)


(D)


(E)



參考答案